/Engine/Source/Runtime/Slate/Public/Framework/Commands/UICommandList.h
Sets the delegate that determines if this UICommandList is capable of producing an action for the supplied command
void SetCanProduceActionForCommand ( const [FCanProduceActionForCommand](API\Runtime\Slate\Framework\Commands\FUICommandList\FCanProduceActionForCommand) & NewCanProduceActionForCommand )